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Porsche > Cayman 718C (982C) 2017>> > Cayman 718 2.0L PDK (300 Bhp) > Engine Cooling >

Engine Oil

Engine Oil

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Castrol Classic Pouring Jug
3
Castrol Classic Pouring Jug
J1
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Castrol Classic Pouring Jug

For accurate measurement of lubricants in imperial volumes as shown in the vehicle handbook.

Available in - 

  • half pint
  • pint,
  • quart
  • full set of three

These handy metal pouring jugs not only look good in your garage but are useful too.

Dip Stick Cleaner with washable foam core RICHBROOK For Porsche Cars - 911680400001
2
Dip Stick Cleaner with washable foam core RICHBROOK For Porsche Cars
911680400003
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A great little gadget for the best dressed Engine Bays!! Anodised Aluminium. Twist to open. Washable foam core. Sticky pad supplied to mount in engine bay.

Aluminium Oil Dipstick Wipers

Colour: Silver

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Related, superseded, cross reference or alternative numbers for comparison.

911680400003
911680400001

The product you are viewing cross references to these numbers
MOBIL 1 C40 GT 0W-40 Advanced Synthetic Technology Engine Oil 5ltr. Porsche 991 GT3 / 992 GT3 / 718 GT4 / 718 Spyder - 157843
3
MOBIL 1 C40 GT 0W-40 Advanced Synthetic Technology Engine Oil 5ltr. Porsche 991 GT3 / 992 GT3 / 718 GT4 / 718 Spyder
157843
Product Information
Product Information
MOBIL 1 C40 GT 0W-40
Advanced Synthetic Technology Engine Oil

5 Litre Bottle

Fits:
Porsche 991 GT3 / GT3 RS / Cup
Porsche 991 R
Porsche 991 Speedster
Porsche 992 GT3 / GT3 RS / Cup
Porsche 992 R
Porsche 992 Speedster
Porsche 992 S/T
Porsche 718 Cayman GT4 RS
Porsche 718 Boxster Spyder RS

Please Note
Mobil 1 C40 GT 0W-40 is not suitable for Porsche vehicles requiring an A40, C20, C30 or C40 approved Mobil 1 engine oils.

Mobil 1™ C40 GT 0W-40 is an advanced synthetic technology engine oil specifically engineered for high performing Porsche GT Engines. Mobil 1 C40 GT 0W-40 has been designed to protect the engine from wear in extreme conditions and prevents deposits and sludge formation. It is the latest technology developed within the framework of the collaboration established with Porsche AG for over the last 25 years.

Features and Benefits

Mobil 1 C40 GT 0W-40 is made with a proprietary blend of leading edge components formulated to be fully compatible with Porsche GT engines. Mobil 1™ C40 GT 0W-40 has been designed to help deliver outstanding performance and protection in extreme conditions. It is distinguishable by its unique green colour. 

Active cleaning agents
Contributes to deliver outstanding engine cleanliness and sludge control

Outstanding high-temperature thermal and oxidation stability
Helps to reduce oil aging for protection throughout your oil drain interval

High temperature oil film resistance
Contributes to outstanding wear protection

Enhanced frictional properties
Helps improve fuel economy

This product has the following approvals: Porsche C40 GT

Grade: SAE 0W-40
Density @ 15 C, g/ml, ASTM D1298: 0.846
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445: 13.8
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445: 72
Viscosity Index, ASTM D2270: 199
Hi-Temp Hi-Shear Viscosity @ 150 C 1x10(6) sec(-1), mPa.s, ASTM D4683: 3.8
Pour Point, °C, ASTM D97: -48
Flash Point, Cleveland Open Cup, °C, DIN EN ISO 2592: 23

Mobil 1 Container Porsche Factory Fill Engine Oil 0W-40 - 1 Litre - 00004330119, 0w-40, 0w/40, 00004330521, 157719 - OIL00004/1
3
Mobil 1 Container Porsche Factory Fill Engine Oil 0W-40 - 1 Litre
Special Order item
00004330521
Product Information
Product Information
Mobil 1 Container Porsche Factory Fill Engine Oil 0W-40

porsche

1 Litre Bottle

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

00004330521
00004330119
0w-40
0w
00004330521
157719

The product you are viewing cross references to these numbers
DISPLAYING 9 to 12 (of 48 products)
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About Engine Oil

Premium Engine Oil for Cooling, Protection & High-Performance Efficiency

Engine oil plays a crucial role not only in lubrication, but also in controlling engine temperature, reducing friction and protecting vital internal components. High-performance oils are engineered to withstand the intense heat and stress generated by modern engines—especially in performance and motorsport applications. Whether driving daily, touring, or taking your car on the track, using the correct engine oil ensures efficient cooling, reliable lubrication and long-term engine durability.

A well-maintained oil system helps the engine run cooler, smoother and more efficiently, preventing heat-related failures and maintaining performance integrity.

What Engine Oil Does

Engine oil performs several vital roles within the cooling and lubrication system:

  • Reduces friction between moving engine components
  • Carries heat away from pistons, bearings, cylinder walls and the crankshaft
  • Maintains stable oil pressure for consistent lubrication
  • Prevents metal-on-metal contact, reducing wear and extending engine life
  • Minimises sludge and deposit formation through detergents and additives
  • Supports turbocharger longevity by cooling and lubricating the turbo core
  • Improves fuel efficiency through reduced mechanical drag

High-quality oil is essential for all engines, especially high-revving, turbocharged or air-cooled engines that rely heavily on oil for cooling.

Why Engine Oil Breaks Down or Fails

Engine oil degrades over time due to heat, contamination and mechanical stress. Common causes of oil failure include:

  • Thermal breakdown from extreme operating temperatures
  • Oxidation, causing sludge and varnish deposits
  • Fuel dilution, reducing viscosity and protection
  • Contamination from debris, blow-by gases or moisture
  • Shear breakdown reducing oil’s ability to maintain pressure
  • Old or incorrect oil grades, unable to meet engine demands
  • Extended service intervals leading to depleted additives

Symptoms include increased engine noise, rising temperatures, low oil pressure warnings, rough running or visible oil darkening and thickening.

Why You Should Replace Your Engine Oil Regularly

Replacing worn or degraded oil with high-quality, precision-formulated lubricants ensures optimal cooling, performance and engine protection.

Benefits include:

  • Improved cooling efficiency and heat management
  • Reduced internal wear and longer engine lifespan
  • Stable oil pressure and consistent lubrication
  • Enhanced performance for turbocharged or high-output engines
  • Cleaner internals with reduced sludge and carbon buildup
  • Better throttle response and smoother running
  • Protection under track, towing or spirited driving conditions

Fresh oil is one of the simplest yet most vital maintenance steps to keep your engine safe and performing at its best.

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